Home / 215,875.26-323,616.87-75,557.34

Finding the Fourth Proportional to 215,875.26, 323,616.87 and 75,557.34

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Solution

The fourth proportional to 215,875.26, 323,616.87 and 75,557.34 is: 113,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,875.26 : 323,616.87 = 75,557.34 : x
  2. Step 2: Convert to fraction form
    215,875.26/323,616.87 = 75,557.34/x
  3. Step 3: Cross multiply
    215,875.26x = 323,616.87 × 75,557.34
  4. Step 4: Simplify right side
    215,875.26x = 24,451,629,876.33
  5. Step 5: Solve for x
    x = 24,451,629,876.33/215,875.26
  6. Step 6: Final answer
    x = 113,267.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.